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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
license		=	bsd


%%	header

/**	@file
	Comparison between signed and unsigned
	character.
*/

#ifdef __cplusplus
extern "C" {
#endif

/**	Compare signed and unsigned char.
	@param	s	Signed char.
	@param	u	Unsigned char.
	@return	1 if s>u, 0 if s==u, -1 if s<u.
*/
int
dk4ma_char_compare(signed char s, unsigned char u);

#ifdef __cplusplus
}
#endif



%%	module

#include "dk4macc.h"

int
dk4ma_char_compare(signed char s, unsigned char u)
{
  int	back	=	0;
  if (0 > s) {
    back = -1;
  } else {
    if ((unsigned char)s < u) {
      back = -1;
    } else {
      if ((unsigned char)s > u) {
        back = 1;
      }
    }
  }
  return back;
}